parse "gopher://null.host:0/\u0081Bݡ\x14\xb9\xbf'\x94b\xa0\b\xa5\xc8\x12\xa1\x14\x03\xc3B)\x06\x96\x85$a\x1cK\xc2X\x90\x84\xd7-\xe6h": net/url: invalid control character in URL